Nucleus of an element contains 9 protons Its valency would be :

The nucleus of an element contains 17 protons and 18 neutrons. What is its (a) atomic number and (b) mass number? Write the complete symbol for the element.

The nucleus of an atom of an element contains 11 protons and 12 neutrons . Determine the atomic number and mass number of the element.

The nucleus of the atom of an element contains 17 protons and 18 neutrons. Calculate the atomic number and mass number of the element and represent them along with the symbol of the element.

The nucleus of the atom of an element contains 17 protons and 18 neutrons. Calculate the atomic number and mass number of the element and represent them along with the symbol of the element.

Nucleus of an atom contains 5 protons and 6 neutrons .The valency of element will be

The nucleus of gold contains_____protons.

Thomson proposed that the nucleus of an atom contains protons and neutrons.

The nucleus of an atom has 5 protons and 6 neutrons. What would be the (d) the number of valence electrons,